hyper-v greyed out. hyper-v says no SLAT. coreinfo say SLAT supported.

Gloria Gu 3,891 Reputation points
2020-07-16T08:22:49.11+00:00

I have a Dell Optiplex 780 (Intel(R) Core(TM)2 Quad CPU
Q9650 @ 3.00GHz) running Windows 10 pro. When I try to enable virtualization (hyper-v setup) the hyper-v>hyperv platform>hyper-v hypervisor is greyed out. The systeminfo.exe shows two of the hyper-v requirements set to NO.

c:>systeminfo.exe

Hyper-V Requirements:
VM Monitor Mode Extensions: Yes

Virtualization Enabled In Firmware: No

Second Level Address Translation: No

Data Execution Prevention Available: Yes

The coreinfo shows:

C:Coreinfo>coreinfo64

v Coreinfo v3.5 - Dump information on system CPU and memory topology

Copyright (C) 2008-2020 Mark Russinovich

Sysinternals

Intel(R) Core(TM)2 Quad CPU
Q9650 @ 3.00GHz

Intel64 Family 6 Model 23 Stepping 10, GenuineIntel

Microcode signature: 00000A0C

HYPERVISOR

-

Hypervisor is present

VMX

*

Supports Intel hardware-assisted virtualization

EPT

-

Supports Intel extended page tables (SLAT)

URG

-

Supports Intel unrestricted guest

I have turned on all the virtualization support parameters in the bios.

Based on my research I have all the requirements, but still cannot setup hypervisor.

replying to my own post. after further research i learned the the '-' in the coreinfo data indicates that the feature is not supported. So now my question is...............do I need to get another machine that support virtualization? Or is there a way to upgrade this machine?

Thread source link: https://social.technet.microsoft.com/Forums/windowsserver/en-US/6d84147d-4d63-42fb-bb07-7015b091fb6b/hyperv-greyed-out-hyperv-says-no-slat-coreinfo-say-slat-supported?forum=win10itprovirt

Hyper-V
Hyper-V
A Windows technology providing a hypervisor-based virtualization solution enabling customers to consolidate workloads onto a single server.
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Accepted answer
  1. Xiaowei He 9,871 Reputation points
    2020-07-16T08:44:04.96+00:00

    Hi,

    > Hypervisor is present

    VMX

    • Supports Intel hardware-assisted virtualization

    EPT

    -
    Supports Intel extended page tables (SLAT)

    Please note that the output isn't showing SLAT is present. A "-" means the feature is missing while a "*" means it's present. The output shows that this machine has a processor that doesn't support SLAT, and therefore can't have the client Hyper-V feature installed.

    So that you should change your cpu.

    Hope this can help you.

    Best Regards,

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